This is a clinical trial in which we will learn about the retinal findings in three clinical groups of children, who might be at risk of having retinal hemorrhages (RH). The aim of the study is to explore the occurrence of moderate to severe retinal hemorrhages in critically ill children, children with intracranial hemorrhages, hydrocephalus or signs of elevated intracranial pressure and in children with benign enlargement of subarachnoid spaces (BESS). 1. Are RHs associated with BESS? 2. What is the prevalence, distribution and extent of RHs in critically ill children? 3. What is the prevalence, distribution and extent of RHs in children with traumatic brain injury? 4. Does the prevalence, distribution and extent of RHs differ in children with witnessed traumatic brain injury from children with traumatic brain injury of unknown origin? 5. To what extent do the causes of RHs affect visual acuity, initially and during recovery? A retinal ophthalmoscopy through dilated pupils will be conducted and a fundus photograph will be taken by a handheld, non-touch camera.
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Number of patients with retinal hemorrhages
Timeframe: 20 minutes
Number and distribution of retinal hemorrhages in eyes
Timeframe: 20 minutes